The nucleus of an atom is positively charged give reason
- Nucleus of an atom is positively charged give reason class 7
- Nucleus of an atom is positively charged give scientific reason
- Nucleus of an atom is heavy and positively charged give reason
- Nucleus of an atom is heavy and positively charged give reason class 9
- The charge of an atom
- Compared to the mass of a proton the mass of an electron is quizlet